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Study on the bacterial and archaeal community structure and diversity of activated sludge from three wastewater treatment plants

文献类型： 外文期刊

作者： Qin, Hui 1 ; Ji, Bin 1 ; Zhang, Shufei 2 ; Kong, Zehua 3 ;

作者机构： 1.Wuhan Univ Sci & Technol, Sch Urban Construct, Wuhan 430065, Hubei, Peoples R China

2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangdong Prov Key Lab Fishery Ecol & Environm, Guangzhou 510300, Guangdong, Peoples R China

3.Dept Civil & Struct Engn, Sir Frederick Mappin Bldg,Mappin St, Sheffield S1 3JD, S Yorkshire, England

关键词： Activated sludge; Archaeal community; Bacterial community; High-throughput sequencing; Wastewater treatment

期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.553； 五年影响因子：5.907 ）

ISSN： 0025-326X

年卷期： 2018 年 135 卷

页码：

收录情况： SCI

摘要： In this study, the bacterial and archaeal communities along with their functions of activated sludge from three wastewater treatment plants were investigated by Illumina MiSeq Platform. The treatment processes were modified A/A/O, DE oxidation ditch and pre-anaerobic carrousel oxidation ditch, respectively. The taxonomic analyses showed that Proteobacteria was the predominant bacterial phylum, and Nitrosospira was the dominant nitrification genus. Candidatus Accumulibacter was abundant in DE oxidation ditch process, and the main archaea communities were methanosaeta-like species which had the capability to anaerobic ammonia oxidation. The results illustrated that anaerobic ammonium oxidation played an important role in the nitrogen metabolism and there might be other unknown phosphate-accumulating organisms (PAOs) performing phosphorus removal in activated sludge. The predicted function analyses indicated that both bacteria and archaea were involved in nitrification, denitrification, ammonification and phosphorus removal processes, and their relative abundance varied metabolic modules differed from each other.

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